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- Homework Statement:
- This argument is equal to , arg(z1/z2) = arg(z1) - arg(z2) as said by exam solutions need help understanding why.

- Relevant Equations:
- arg(z1/z2) = arg(z1)-arg(z2)

above video states that arg(z1/z2) = arg(z1) - arg(z2) this is seems very similar to Log rules but these are inverse function for angles right? And log rules only apply to logarithms, not sure where he got this from? What am i missing?